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The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vertical datum). The term elevation is mainly used when referring to points on the Earth's surface, while altitude or…
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Explore the main themes, entities and connections around Elevation. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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gis height surface data geographic earth united states datum used earth's distance see altitude digital 3dep point commonly model sea
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| the altitude or height | instance of | It is not to be confused with terms | 0.80 | text |
| Elevation | related to Aviation | In | 0.60 | section |
| Elevation | related to Aviation | ICAO | 0.60 | section |
| Elevation | related to Aviation | It | 0.60 | section |
| Elevation | related to External links | National Geodetic Survey | 0.60 | section |
| Elevation | related to External links | Glossary | 0.60 | section |
| Elevation | related to External links | NGSNGVD | 0.60 | section |
| Elevation | related to External links | NAVD | 0.60 | section |
| Elevation | related to External links | NGSUnited States Geological Survey | 0.60 | section |
| Elevation | related to External links | Survey InstituteDownloadable ETOPO2 Raw | 0.60 | section |
| Elevation | related to External links | Data Database | 0.60 | section |
| Elevation | related to External links | Deprecated | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.